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74a60259a5
This name was too similar to CoverageMappingRegion, and the type really belongs in the coverage library anyway. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217416 91177308-0d34-0410-b5e6-96231b3b80d8
96 lines
3.3 KiB
C++
96 lines
3.3 KiB
C++
//===- CoverageSummaryInfo.cpp - Coverage summary for function/file -------===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// These structures are used to represent code coverage metrics
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// for functions/files.
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//
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//===----------------------------------------------------------------------===//
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#include "CoverageSummaryInfo.h"
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using namespace llvm;
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using namespace coverage;
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FunctionCoverageSummary
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FunctionCoverageSummary::get(const FunctionCoverageMapping &Function) {
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// Compute the region coverage
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size_t NumCodeRegions = 0, CoveredRegions = 0;
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for (auto &CR : Function.CountedRegions) {
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if (CR.Kind != CounterMappingRegion::CodeRegion)
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continue;
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++NumCodeRegions;
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if (CR.ExecutionCount != 0)
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++CoveredRegions;
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}
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// Compute the line coverage
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size_t NumLines = 0, CoveredLines = 0;
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for (unsigned FileID = 0, E = Function.Filenames.size(); FileID < E;
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++FileID) {
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// Find the line start and end of the function's source code
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// in that particular file
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unsigned LineStart = std::numeric_limits<unsigned>::max();
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unsigned LineEnd = 0;
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for (auto &CR : Function.CountedRegions) {
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if (CR.FileID != FileID)
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continue;
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LineStart = std::min(LineStart, CR.LineStart);
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LineEnd = std::max(LineEnd, CR.LineEnd);
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}
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unsigned LineCount = LineEnd - LineStart + 1;
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// Get counters
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llvm::SmallVector<uint64_t, 16> ExecutionCounts;
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ExecutionCounts.resize(LineCount, 0);
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for (auto &CR : Function.CountedRegions) {
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if (CR.FileID != FileID)
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continue;
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// Ignore the lines that were skipped by the preprocessor.
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auto ExecutionCount = CR.ExecutionCount;
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if (CR.Kind == CounterMappingRegion::SkippedRegion) {
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LineCount -= CR.LineEnd - CR.LineStart + 1;
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ExecutionCount = 1;
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}
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for (unsigned I = CR.LineStart; I <= CR.LineEnd; ++I)
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ExecutionCounts[I - LineStart] = ExecutionCount;
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}
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CoveredLines += LineCount - std::count(ExecutionCounts.begin(),
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ExecutionCounts.end(), 0);
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NumLines += LineCount;
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}
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return FunctionCoverageSummary(
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Function.Name, RegionCoverageInfo(CoveredRegions, NumCodeRegions),
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LineCoverageInfo(CoveredLines, 0, NumLines));
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}
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FileCoverageSummary
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FileCoverageSummary::get(StringRef Name,
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ArrayRef<FunctionCoverageSummary> FunctionSummaries) {
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size_t NumRegions = 0, CoveredRegions = 0;
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size_t NumLines = 0, NonCodeLines = 0, CoveredLines = 0;
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size_t NumFunctionsCovered = 0;
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for (const auto &Func : FunctionSummaries) {
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CoveredRegions += Func.RegionCoverage.Covered;
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NumRegions += Func.RegionCoverage.NumRegions;
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CoveredLines += Func.LineCoverage.Covered;
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NonCodeLines += Func.LineCoverage.NonCodeLines;
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NumLines += Func.LineCoverage.NumLines;
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if (Func.RegionCoverage.isFullyCovered())
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++NumFunctionsCovered;
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}
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return FileCoverageSummary(
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Name, RegionCoverageInfo(CoveredRegions, NumRegions),
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LineCoverageInfo(CoveredLines, NonCodeLines, NumLines),
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FunctionCoverageInfo(NumFunctionsCovered, FunctionSummaries.size()),
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FunctionSummaries);
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}
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